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Que hàn gang Philcast FeNi

Que hàn gang Philcast FeNi

Que hàn gang Philcast FeNi

Thông số kỹ thuật


Model: Philcast FeNi
Đường kính que hàn: 2.5mm, 3.2mm, 4.0mm, 5.0mm
Chiều dài que: 300mm và 350mm
Hãng sản xuất: Philharc              
Xuất xứ: Philippines

Giá mới: Liên hệ để biết

PHILCAST Fe-Ni

AWS Specification : AWS A5.15 ENiFe-Cl

JIS Specification: DFC NiFe

Other Specification : DIN 8573 : ENiFe-G2

 I. APPLICATIONS:

For repair and fabrication of cast iron housings, blocks, machinery, parts, frames, casting defects, casting flaws, machine cuts, machining errors, repair of cracks, rebuilding worn or damaged areas and joining thick section castings and cast irons to steel. Suitable for the welding of Meehanite cast iron, some alloy cast irons and the austenite “Ni-Resist” types.

II. DESCRIPTION:

An iron-nickel alloy Shielded Metal Arc Welding electrode for high strength joints on cast iron. Also for the fabrication and repair of a wide range of cast iron components and for the joining of cast iron to steel. It is used primarily for welding nodular graphite or shperoidal graphite (SG) cast irons and is also suitable for welding the austenitic Ni-Resist irons and alloy cast irons.

PHILCAST Fe-Ni weld deposits provide good levels of strength, are very resistant to cracking and the weld metal is fully machinable. PHILCAST Fe-Ni is specially manufactured to avoid electrode overheating. PHILCAST Fe-Ni is a very easy electrode to control due to the soft smooth arc characteristics which produce even weld beads of good contour. Suitable for use with both AC (minimum OCV of 50V) and DC+.

III. NOTES ON USAGE:

It is essential that all traces of paint, grease, oil, rust and oxides are removed prior to welding and that particular attention is paid to castings with sand inclusions or which have been impregnated with oil. Use PHILARC PA-GR are cutting/gouging electrodes for the removal of defects and the preparation of cracked sections. Joints and cracks should also be grooved.

Generally, small section castings can be welded without preheat, however it is important that the base metal interpass temperature does not rise above the “hand-hot” level. Deposit in short intermittent beads about 25mm to 50mm with frequent interruptions to allow cooling to take place. Fill crater at end of each weld bead. Remove all traces of slag remnants before applying the next bead. Deposit without weaving and hammer pein each weld bead, whilst still hot, to reduce both local stresses and the risk of weld metal cracking. Large castings should be heated slowly and uniformly to a temperature in the range of 100-300ºC (depending upon possible. After welding, the workpiece should be cooled slowly at an even rate, cover with mineral blankets or immerse in warm dry sand, lime or vermiculite.

IV. TYPICAL CHEMICAL COMPOSITION OF WELD METAL (%):

C

Mn

Si

Fe

Ni

1.18

0.49

0.7

Bal

56.8

V. TYPICAL MECHANICAL PROPERTIES OF WELD METAL:

Tensile Strength

N/mm2 (ksi)

Elongation

%

Hardness

HV (HRC)

480 (70)

18

170-190 (85-90 HRB)

VI. WELDING POSITIONS: ALL POSITION – EXCEPT VERTICAL DOWN

VII. SIZES AVAILABLE AND RECOMMENDED CURRENTS (AC or DC + ):

Size

(mm)

Dia.

2.5

3.2

4.0

5.0

Length

300

350

350

350

Current Range Amp

50-80

70~110

100~140

130~170

Sản phẩm khác
Que hàn gang Philcast Ni, Que hàn gang Philcast Ni, Que hàn gang Philcast Ni, Que hàn gang Philcast Ni
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